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Arch Linux is a lightweight and flexible Linux® distribution that tries to Keep It Simple.

7
votes
root/root See here: "The default root password is 'root'."
answered Sep 25 '14 by joan
0
votes
The most likely reason for the I2C device not being seen is an incorrect connection. I'd recheck the ground, power, and SDA/SCL connections you have made between the device and the Pi. The UU sugges …
answered May 14 '14 by joan
7
votes
That is nothing unusual. RAM discs are commonly used for temporary file systems. My Debian laptop Filesystem Size Used Avail Use% Mounted on udev 1.5G 0 1.5G 0% /dev tmpfs …
answered Mar 27 '16 by joan
2
votes
You have a breadboard with an interrupted power rail. There is a gap at position 30. You need to use some wires to jumper that gap so that the ADC is connected to power and ground.
answered Mar 24 '16 by joan
2
votes
GPIO 5 and GPIO 6 are not brought out to the expansion header on a PiB Rev.2. How are you testing their value? GPIO 2, 3, and 4 are connected to expansion header pins 3, 5, and 7 respectively. How …
answered Nov 23 '16 by joan
2
votes
The Raspberry Pi does do not have an I2C bus 2, it has an I2C bus 0 and an I2C bus 1. Are you using a Raspberry Pi? You can't write to an I2C device which doesn't exist. There is no evidence that a …
answered Jan 27 '16 by joan
1
vote
Are you sure it's not because you have a recent kernel? I.e. have you recently updated the firmware. The gpio directory seems to have moved to /sys/class. ls /sys/devices/virtual bdi graphics …
answered Feb 13 '15 by joan
0
votes
To check the GPIO try wiringPi's pintest or my pigpio's gpiotest. Both tests should be run with nothing connected to the GPIO on the expansion header. wiringPi and pigpio are likely both pre-install …
answered Jul 23 '18 by joan